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Diffusion under the Effect of Lorentz Force

Af: Erik Kalz Engelsk Paperback

Diffusion under the Effect of Lorentz Force

Af: Erik Kalz Engelsk Paperback
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It is generally believed that collisions of particles reduce the self-diffusion coefficient. In this book, Erik Kalz shows that in classical systems under the effect of Lorentz force, which are characterized by diffusion tensors with antisymmetric elements, collisions surprisingly can enhance self-diffusion. In these systems, due to an inherent curving effect, the motion of particles is facilitated, instead of hindered by collisions. Consistent with this the author finds that the collective diffusion remains unaffected. Using a geometric model, he theoretically predicts a magnetic field governed crossover from a reduced to an enhanced self-diffusion. The physical interpretation is quantitatively supported by the force autocorrelation function, which turns negative with increasing the magnetic field. Using Brownian-dynamics simulations, he validates the predictions.
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It is generally believed that collisions of particles reduce the self-diffusion coefficient. In this book, Erik Kalz shows that in classical systems under the effect of Lorentz force, which are characterized by diffusion tensors with antisymmetric elements, collisions surprisingly can enhance self-diffusion. In these systems, due to an inherent curving effect, the motion of particles is facilitated, instead of hindered by collisions. Consistent with this the author finds that the collective diffusion remains unaffected. Using a geometric model, he theoretically predicts a magnetic field governed crossover from a reduced to an enhanced self-diffusion. The physical interpretation is quantitatively supported by the force autocorrelation function, which turns negative with increasing the magnetic field. Using Brownian-dynamics simulations, he validates the predictions.
Produktdetaljer
Sprog: Engelsk
Sider: 58
ISBN-13: 9783658395179
Indbinding: Paperback
Udgave:
ISBN-10: 3658395176
Kategori: Statistisk fysik
Udg. Dato: 10 nov 2022
Længde: 0mm
Bredde: 148mm
Højde: 210mm
Forlag: Springer Fachmedien Wiesbaden
Oplagsdato: 10 nov 2022
Forfatter(e): Erik Kalz
Forfatter(e) Erik Kalz


Kategori Statistisk fysik


ISBN-13 9783658395179


Sprog Engelsk


Indbinding Paperback


Sider 58


Udgave


Længde 0mm


Bredde 148mm


Højde 210mm


Udg. Dato 10 nov 2022


Oplagsdato 10 nov 2022


Forlag Springer Fachmedien Wiesbaden

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